Home / 133,017,643.80-199,484,993.70-52,263,365.40

Finding the Fourth Proportional to 133,017,643.80, 199,484,993.70 and 52,263,365.40

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Solution

The fourth proportional to 133,017,643.80, 199,484,993.70 and 52,263,365.40 is: 78,378,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,017,643.80 : 199,484,993.70 = 52,263,365.40 : x
  2. Step 2: Convert to fraction form
    133,017,643.80/199,484,993.70 = 52,263,365.40/x
  3. Step 3: Cross multiply
    133,017,643.80x = 199,484,993.70 × 52,263,365.40
  4. Step 4: Simplify right side
    133,017,643.80x = 10,425,757,117,559,798
  5. Step 5: Solve for x
    x = 10,425,757,117,559,798/133,017,643.80
  6. Step 6: Final answer
    x = 78,378,753.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.